package coins;

import java.util.HashMap;
import java.util.Scanner;

public class Coin {
    private HashMap<Integer,String> coinnames=new HashMap<Integer,String>();
    public Coin(){
        coinnames.put(1,"penny");
        coinnames.put(10,"dime");
        coinnames.put(25,"quarter");
        coinnames.put(50,"half-dolar");
        coinnames.put(50,"五毛");
        System.out.println(coinnames.keySet().size());
        System.out.println(coinnames);
        for(Integer k:coinnames.keySet())
        {
            String s=coinnames.get(k);
            System.out.println(s);
        }
    }
    public String getName(int amount)
    {
        if(coinnames.containsKey(amount))
        return coinnames.get(amount);
        else
            return "NOT FOUND";
    }
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        int amount=in.nextInt();
        Coin cn=new Coin();
        System.out.println(cn.getName(amount));
    }
}
